| INCOME TAXES (Details 3) - USD ($) $ in Thousands | 12 Months Ended | ||
|---|---|---|---|
| Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | |
| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | |||
| Balance at beginning | $ 0 | $ 0 | $ 0 | 
| Decrease Due to Settlements With Taxing Authorities | 0 | 0 | 0 | 
| Balance at ending | $ 0 | $ 0 | $ 0 | 
| X | ||||||||||
| 
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available. 
 | 
| X | ||||||||||
| 
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
 | 
| X | ||||||||||
| 
- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 |